Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ke6 draw
3 Ke7 draw
4 Kf6 draw
5 Kf8 draw
6 Kg7 draw
7 Kg8 draw
8 Re1 draw
9 Re7 draw
10 Rf8 draw
11 Kg6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves